The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 01, 2017

Filed:

Apr. 05, 2013
Applicant:

Automatic Bar Controls, Inc., Vacaville, CA (US);

Inventors:

Juha K. Salmela, Citrus Heights, CA (US);

James M. Tuyls, Vacaville, CA (US);

Richard A. Martindale, Vacaville, CA (US);

Assignee:

AUTOMATIC BAR CONTROL, INC., Vacaville, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 35/04 (2006.01); F04C 5/00 (2006.01);
U.S. Cl.
CPC ...
F04C 5/00 (2013.01); F04C 2240/802 (2013.01); F04C 2270/16 (2013.01); F05C 2203/08 (2013.01);
Abstract

A flexible impeller pump includes improved flexible impeller geometry, an impeller shaft having protruding portions that produce a stronger and more durable connection between the impeller shaft and the flexible impeller, a smoother housing cam surface, and wear resistant surfaces that are disposed between end faces of the flexible impeller and adjacent housing end walls.


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